“Improving the Efficiency of a Conventional Vapor-Compression Refrigeration System Used for Geothermal and Evaporative Cooling Techniques: Case Study in Iraq”. Diyala Journal of Engineering Sciences 16, no. 1 (March 1, 2023): 15–26. Accessed February 4, 2026. https://www.djes.info/index.php/djes/article/view/1021.